GCC Code Coverage Report
Directory: ./ Exec Total Coverage
File: src/unrrdu/axmerge.c Lines: 12 30 40.0 %
Date: 2017-05-26 Branches: 1 22 4.5 %

Line Branch Exec Source
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/*
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  Teem: Tools to process and visualize scientific data and images             .
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  Copyright (C) 2013, 2012, 2011, 2010, 2009  University of Chicago
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  Copyright (C) 2008, 2007, 2006, 2005  Gordon Kindlmann
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  Copyright (C) 2004, 2003, 2002, 2001, 2000, 1999, 1998  University of Utah
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  This library is free software; you can redistribute it and/or
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  modify it under the terms of the GNU Lesser General Public License
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  (LGPL) as published by the Free Software Foundation; either
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  version 2.1 of the License, or (at your option) any later version.
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  The terms of redistributing and/or modifying this software also
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  include exceptions to the LGPL that facilitate static linking.
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  This library is distributed in the hope that it will be useful,
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  but WITHOUT ANY WARRANTY; without even the implied warranty of
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  MERCHANTABILITY or FITNESS FOR A PARTICULAR PURPOSE.  See the GNU
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  Lesser General Public License for more details.
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  You should have received a copy of the GNU Lesser General Public License
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  along with this library; if not, write to Free Software Foundation, Inc.,
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  51 Franklin Street, Fifth Floor, Boston, MA  02110-1301  USA
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*/
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#include "unrrdu.h"
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#include "privateUnrrdu.h"
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#define INFO "Merge two adjacent axes into one"
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static const char *_unrrdu_axmergeInfoL =
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(INFO
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 ". A more general version of \"unu axdelete\". "
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 "The underlying linear ordering of the samples is "
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 "unchanged, and the information about the other axes is "
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 "shifted downwards as needed.\n "
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 "* Uses nrrdAxesMerge");
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int
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unrrdu_axmergeMain(int argc, const char **argv, const char *me,
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                   hestParm *hparm) {
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  hestOpt *opt = NULL;
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  char *out, *err;
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  Nrrd *nin, *nout[2];
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  int *axes, pret, ni;
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  unsigned int ii, jj, axesLen;
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  airArray *mop;
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  hestOptAdd(&opt, "a,axis", "ax0", airTypeInt, 1, -1, &axes, NULL,
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             "axis (or axes) to merge.  Each axis index identified is the "
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             "lower of the pair of axes that will be merged.  Saying \"-a 2\" "
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             "means to merge axis 2 and axis 3 into axis 2.  If multiple "
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             "merges are to be done, the indices listed here are for "
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             "the axes prior to any merging.", &axesLen);
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  OPT_ADD_NIN(nin, "input nrrd");
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  OPT_ADD_NOUT(out, "output nrrd");
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  mop = airMopNew();
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  airMopAdd(mop, opt, (airMopper)hestOptFree, airMopAlways);
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  USAGE(_unrrdu_axmergeInfoL);
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  PARSE();
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  airMopAdd(mop, opt, (airMopper)hestParseFree, airMopAlways);
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  airMopAdd(mop, nout[0]=nrrdNew(), (airMopper)nrrdNuke, airMopAlways);
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  airMopAdd(mop, nout[1]=nrrdNew(), (airMopper)nrrdNuke, airMopAlways);
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  if (axesLen > 1) {
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    /* sort merge axes into ascending order */
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    qsort(axes, axesLen, sizeof(*axes), nrrdValCompare[nrrdTypeInt]);
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  }
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  ni = 0;
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  for (ii=0; ii<axesLen; ii++) {
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    if (nrrdAxesMerge(nout[ni], !ii ? nin : nout[1-ni], axes[ii])) {
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      airMopAdd(mop, err = biffGetDone(NRRD), airFree, airMopAlways);
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      fprintf(stderr, "%s: error merging axes:\n%s", me, err);
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      airMopError(mop);
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      return 1;
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    }
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    for (jj=ii+1; jj<axesLen; jj++) {
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      axes[jj] -= 1;
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    }
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    ni = 1-ni;
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  }
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  SAVE(out, nout[1-ni], NULL);
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  airMopOkay(mop);
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  return 0;
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}
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UNRRDU_CMD(axmerge, INFO);